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chemical reactions, image, heat, image, electric, current, heat>, <…

- - - - eg - C + O2 -------> CO2 + heat
    - - eg - N2 + O2 -------> 2NO
- - - - eg - BaCl2 + NaSO4 -------> BaSO4(precipitate) + NaCl
    - - eg - HCl + NaOH -------> NaCl(salt) H2O (water)
- - - - The atoms which gain or accept electrons are Oxidising agent.
    - - Removal of hydrogen
        
        eg - H2S + CL2 -------> 2HCl + S
      - Loss of electrons
        
        eg - Cu - 2e- -------> Cu++
      - Addition of oxygen
        
        eg - Mg + O2 ------> 2MgO
  - - - The atoms which loss or give electrons are Reducing agent.
    - - Addition of hydrogen
        
        eg - H2 + Cl2 -------> 2HCl
      - Removal of Oxygen
        
        eg - CuO + H2 -------> Cu + H2O
      - Gain of electrons
        
        eg - Cu2+ + 2e- -------> Cu
    - - CuO + H2 -------> Cu + H2O